# -*- coding:utf-8 -*-
# @Author: shenyuyu
# @Time: 2023/6/12 15:00
# @File: qu_3.py

"""
折纸：折多少次和珠穆朗玛峰一样高，一张纸的厚度是0.0001米，将纸对折，编程计算对折多少次厚
度超过珠峰高度8848米？
"""

a = 0.0001
n = 0

while a < 8848:
    a = a * 2
    n = n + 1
print(n)